@MISC{knuth1,
author={Donald Knuth},
title={Definition of Architecture Details},
year={2008},
month={October},
howpublished={Online},
url={http://www-cs-staff.stanford.edu/~uno/mmix-doc.ps.gz}
}

@MISC{knuth2,
author={Donald Knuth},
title={Definition of Assembly Language and Loader Format},
year={2008},
month={October},
howpublished={Online},
url={http://www-cs-staff.stanford.edu/~uno/mmixal-intro.ps.gz}
}

@MISC{knuth3,
author={Donald Knuth},
title={Definition of Simple I/O, the Runtime Environment, and the Simulator's Online/Offline Interaction Commands},
year={2008},
month={October},
howpublished={Online},
url={http://www-cs-staff.stanford.edu/~uno/mmix-sim-intro.ps.gz}
}